let snare;

let hihat;

​

function preload() {

  kick = loadSound("kick.mp3");

  snare = loadSound("snare.mp3");

  hihat = loadSound("hihat.mp3");

}

​

function setup() {

  createCanvas(400, 400);

  frameRate(32);

}

​

function draw() {

  background(220);

  if ((frameCount % 32 == 0) ||

      (frameCount % 64 == 24)) {

    kick.play();

  }

  if (frameCount % 32 == 16) {

    snare.play();

  }

  if (frameCount % 8 == 0) {

    hihat.play();

  }

}